Amethyst is one of the few stones with a unique purple coloration, and is a meditative and calming stone that works in the emotional, spiritual, and physical planes. The birthstone for February, and a traditional gift for couples 33rd wedding anniversary, it also strangely said to promote sobriety. It's beautiful colour make it a perfect stone for jewellery, and it's widely used in earrings, necklaces and rings the world over.